結果

問題 No.2387 Yokan Factory
ユーザー cleanttedcleantted
提出日時 2023-06-14 03:51:24
言語 Python3
(3.12.2 + numpy 1.26.4 + scipy 1.12.0)
結果
AC  
実行時間 4,399 ms / 5,000 ms
コード長 2,206 bytes
コンパイル時間 215 ms
コンパイル使用メモリ 13,056 KB
実行使用メモリ 52,348 KB
最終ジャッジ日時 2024-06-23 20:13:36
合計ジャッジ時間 34,277 ms
ジャッジサーバーID
(参考情報)
judge2 / judge4
このコードへのチャレンジ
(要ログイン)

テストケース

テストケース表示
入力 結果 実行時間
実行使用メモリ
testcase_00 AC 60 ms
14,076 KB
testcase_01 AC 60 ms
13,824 KB
testcase_02 AC 61 ms
13,952 KB
testcase_03 AC 62 ms
13,952 KB
testcase_04 AC 62 ms
13,948 KB
testcase_05 AC 61 ms
14,072 KB
testcase_06 AC 61 ms
14,080 KB
testcase_07 AC 62 ms
13,948 KB
testcase_08 AC 60 ms
13,952 KB
testcase_09 AC 61 ms
13,948 KB
testcase_10 AC 62 ms
13,948 KB
testcase_11 AC 61 ms
13,948 KB
testcase_12 AC 61 ms
13,952 KB
testcase_13 AC 59 ms
13,948 KB
testcase_14 AC 60 ms
13,952 KB
testcase_15 AC 2,689 ms
46,932 KB
testcase_16 AC 1,009 ms
49,296 KB
testcase_17 AC 3,494 ms
52,348 KB
testcase_18 AC 3,336 ms
47,088 KB
testcase_19 AC 2,468 ms
35,708 KB
testcase_20 AC 1,271 ms
33,964 KB
testcase_21 AC 3,342 ms
43,796 KB
testcase_22 AC 1,242 ms
32,064 KB
testcase_23 AC 3,783 ms
36,224 KB
testcase_24 AC 1,044 ms
33,056 KB
testcase_25 AC 1,549 ms
27,496 KB
testcase_26 AC 4,399 ms
39,168 KB
testcase_27 AC 1,409 ms
41,596 KB
testcase_28 AC 65 ms
14,460 KB
testcase_29 AC 69 ms
14,592 KB
testcase_30 AC 69 ms
14,592 KB
testcase_31 AC 67 ms
14,460 KB
testcase_32 AC 66 ms
14,208 KB
testcase_33 AC 65 ms
14,080 KB
testcase_34 AC 73 ms
14,588 KB
testcase_35 AC 73 ms
14,460 KB
testcase_36 AC 63 ms
13,952 KB
testcase_37 AC 60 ms
13,952 KB
権限があれば一括ダウンロードができます

ソースコード

diff #

# import bisect
import copy
import heapq
import itertools
import math
import operator
import random
import sys
from bisect import bisect, bisect_left, bisect_right, insort
from collections import Counter, deque
from fractions import Fraction
from functools import cmp_to_key, lru_cache, partial
from inspect import currentframe
from math import ceil, gcd, log10, pi, sqrt
from typing import Iterable, Iterator, List, Tuple, TypeVar, Union

# import pypyjit
# pypyjit.set_param('max_unroll_recursion=-1')
# import string
# import networkx as nx
input = sys.stdin.readline
sys.setrecursionlimit(10000000)
# mod = 10 ** 9 + 7
mod = 998244353
# mod = 1 << 128
# mod = 10 ** 30 + 1
INF = 1 << 61
DIFF = 10 ** -9
DX = [1, 0, -1, 0, 1, 1, -1, -1]
DY = [0, 1, 0, -1, 1, -1, 1, -1]

def read_values(): return tuple(map(int, input().split()))
def read_index(): return tuple(map(lambda x: int(x) - 1, input().split()))
def read_list(): return list(read_values())
def read_lists(N): return [read_list() for _ in range(N)]
def dprint(*values): print(*values, file=sys.stderr)
def dprint2(*values):
    names = {id(v): k for k, v in currentframe().f_back.f_locals.items()}
    dprint(", ".join(f"{names.get(id(value), '???')}={repr(value)}" for value in values))


def main():
    N, M, X = read_values() 
    G = [[] for _ in range(N)]

    for _ in range(M):
        u, v, a, b = read_values()
        u -= 1
        v -= 1

        G[u].append((v, a, b))
        G[v].append((u, a, b))
    
    l = -1
    r = 10 ** 9 + 10
    while r - l > 1:
        m = (l + r) // 2
        S = [(0, 0)]
        fixed = [False] * N
        D = [INF] * N
        D[0] = 0
        while S:
            c, i = heapq.heappop(S)
            if i == N - 1:
                break
            
            if fixed[i]:
                continue
            fixed[i] = True

            for j, a, b in G[i]:
                if m > b:
                    continue

                if D[j] <= c + a:
                    continue
                D[j] = c + a
                heapq.heappush(S, (c + a, j))
        
        if D[N - 1] <= X:
            l = m
        else:
            r = m

    print(l)


if __name__ == "__main__":
    main()
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